Loading machine for heaped material of every description



H. HEMSCHEIDT May 30, 1933.

LOADING MACHINE FOR HEAPED MATERIAL OF EVERY DESCRIPTION Filed March 12. 1932 3 Sheets-Sheet l May 3 3- H. HEMSCYHEIDT LOADING MACHINE FOR HEAPED MATERIAL OF EVERY DESCRIPTION Filed March 12, 1932 5 Sheets-Sheet 2 May 30. 1933. H. HEMSCHEIDT 1,911,395

-LOADING MACHINE FOR HEAPED MATERIAL OF EVERY DESCRIPTION Filed March 12, 1932 s Sheets-Sheet s Inventor: A W M Patented May 30, 1933 UNITED STATES HERMANN HEMSGHEIDT, OF WUZPPERTAL-E4LBERFELD, GERMANY LOADING MACHINE FOR HEAPIH) MATERIAL OF EVERY DESCRIPTION Application filed March 12, 1932, Serial No. 598,469, and in Germany May 1, 1931.

The invention relates to a loading machine for dumped material of every description, and it is intended for. receiving, transport: ing, particularlyin anupward direction aniiii,

5 should the necessity arise, for throwing o the material being handled, the latter operation coming into consideration chiefly for stowage in mines, that is to say, for filling up the excavations remaining after the minerals have been removed. In particular the invention provides for the use of a loading member consisting of a shaft carrying fingers, teeth or the like, this shaft working in connection with a kind of fixed comb or grid in such a manner that the fingers pass respondinglyhigh speed and carried along by them, is prevented by this comb, acting as a stripper, from being carried farther in the direction of rotation of the shaft. Instead, the material is either delivered on to a conveyor connected therewith or it is thrown off when the loadingmember is used as anejecting device.

This member is designed to comply with the special purpose it may be intended for and its construction is describedwith the ai of an example shown in the drawings in which the element is first shown arranged for use as a loading device, while in the second instance a corresponding element is indicated designed as a discharging device on the same machine.

Fig. 1 is an elevation of the device;

Fig. 2 is a plan.

Figs. 3 and 4 show the loading element,

' drawn to a larger scale and detached from the complete machine, specially designed for the first-named purpose.

Figs. 5 and 6 show the loading element specially designed. for the second purpose.

The material dumped on the floor is scooped up by the shaft on provided with the fingers a and carried along by them. An intermediate member at, extending the entire width, is arranged between the shafts a and b, the latter being the pivot of the conveyor 0!.

This intermediate member 20 is provided by depositing the material carried along.

The teeth 4), formed as tongues similar to strippers, reach so far over the shaft on and are so curved that the angle formed between the fingers c and the upper face of the teeth '0 is always greater than the friction angle against the material being handled. Means are thus provided for preventing the revolving fingers from taking up the material and elther crushing it like a crusher would do, or from jamming, owing to the presence of a partlcularly hard substance in the loadingmaterial, for instance, a piece of iron which may have found 1ts way into the heaped material. As in every position of the fingers c relatively to the strippers, the angle is great, the material is actually squeezed away or even hurled away over'the member M. It will benoted that-the upper surfaces of the teeth *0 are substantially tangent to the shaft a and that the front sides of the fingers a of said shaft are nearly radial. Hence while the finge s are effective in raising the material over-the shaft, their nearly radial front sides coact with the substantial-.

ly tangential upper surfaces of the teeth '0 the other turning point of the conveyor,-

basedon the corresponding loading element, is formed as a device for throwing ofi the material, a device of this kind being of special advantage notably for mining purposes as a means Of'diScha'rging the material fed forward by the conveyor. In accordance therewith, the shaft (1 is arranged at the up- 1 per end of the inclined conveyor i, this shaft .being indirectly driven at a correspondingly high s d by the conveyor motor B and provided with the fingers c which are arranged, by way of example, in two op sitely disposed and offset rows. These f ingers c rotate with a suitable amount of clearance between the teeth 4) of the concave member at, the teeth extending about two thirds of the periphery as walls forming single chambers, the teeth being omitted on the remaining third portion. This cavity is so arranged in respect of the turning point of the conveyor (Z that the stowage materialthus fed forward to this point falls into the cavity where it provisionally rests on the comb or grid formed by the teeth '0' until it is caught by the fingers c and thrown off, whereby fine-grained material, which ma have dropped into the interstices, is efiectua ly expelled. After the fingers a have passed through the cavity in the toothed member at, they again enter the spaces of the comb or grid on the other side. To prevent jamming of particles of the stowage material between I the fingers c and the teeth v, and rather to ensure the material being a ain ejected or squeezed out, the finger is ormed into a curve 0" on the front facing the direction of movement so that the angle between the face of the tooth and the finger is always greater than the friction angle.

I claim:

1. In a machine of the class described, in

combination with a rotary 1grethering element comprising a shaft and gers projecting from the periphery thereof and the front side of each of which is at a slight angle to a radius of said shaft and conver es rearwardly to said radius, a mem er adjacent the rear side of said rotary gatherer and provided with spaced teeth which project therefrom close to and partly over the upper rear side of the shaft of the gatherer element and'the upper sides of which teeth are substantially tangentially arranged with respect to said shaft, so that the fingers of the atherer element and the teeth of said mem r coact to strip material from the gatherer element and throw the same over said member.

2; 'In amachine as claimed in claim 1, thecombination with the rotary gatherer element and the stripping member, of an endless conveyor between the front portion of which and the rotary gathering element the stripping member is arranged and in which said gathering element and a stripping mem-- ber arranged between said gathering element and said conveyor, said stripping member havini; concave faces on opposite sides res ective y' presented to and conforming wit the gathering element and the conveyor and also having teeth on the side presented to the gathering element, said teeth closely approaching and extending partly over the upper rear side of the cylindrical member of the rotar element and the upper sides of said teeth ing substantially tangent to said cylindrical member.

In testimon whereof I aflix m si nature.

- H RMANN HEMS H IDT.

the stripping member has a concave rear face presented to the conveyor and also has at its lower side a portion extending somewhat under the conveyor.

3. In a machine of the class described, the v combination with a rotary gathering element comprising a cylindrical member and fingers projecting substantiall radially therefrom of a conveyor spaced rom the rear side 0 

